Patent & Trademark

Nichia Corp., of Japan, claims Seoul Semiconductor, of Korea and California, and Avnet, of New York, violate patent on a semiconductor light-emitting device, in Detroit Federal Court.

Ticketmaster and others violate a patent on a “method of selling and distributing articles associated with live events,” The Friday Group claims in St. Louis Federal Court. Defendants include Superfly Productions, Live Nation Worldwide, Ultrastar Entertainment, and others.